_______ yesterday, our school organized a successful picnic in the countryside, with all the students and teachers taking part in.

We had no one _____us, for we could deal with the case all by ourselves.

With a basket on her back, the little girl is walking along the stream with green grass and red flowers ____ on both sides.

        twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

The secretary worked late into the night, ______a long speech for the president.